package org.eoti.rei.ndfcmd;

/**
 * The MIT License
 * <p/>
 * Copyright (c) 2009 Malachi de AElfweald (malachid@gmail.com)
 * <p/>
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * <p/>
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 * <p/>
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
import java.util.*;
import java.io.File;
import java.io.FileFilter;
import java.io.IOException;

public class LoadCmd
	extends NDFBrowserCommand
	implements FileFilter
{
	public LoadCmd(){}

	public String[] commands()
	{
		return new String[]{"load"};
	}

	public void process( List<String> commandLine)
			throws Exception
	{
		if(commandLine.size() != 0)
		{
			load(new File(commandLine.get(0)));
			return;
		}

		File curDir = browser.getCurrentDirectory();
		int index = 0;
		for(File file : curDir.listFiles(this))
			format("  %d. %s\n", index++, file.getName()); // IntelliJ incorrectly reports error

		String input = readLine("Choose File[0-%s]> ", (index-1)); // IntelliJ incorrectly reports error
		try{
			int fileNum = Integer.valueOf(input);
			load( curDir.listFiles(this)[fileNum] );
		}catch(Exception e){
			browser.error(e, false);
		}
	}

	public void load(File file)
			throws IOException
	{
		format("Loading %s...\n", file.getName());
		browser.load(file);
	}

	public void displayHelp()
	{
		format("load: list files available to load, and allow me to select one\n");
		format("load FILENAME: load specific file\n");
	}

	public boolean accept(File file)
	{
		return file.getName().endsWith(".xls");
	}
}
